Learning should be fun. That's why Topsy has prepared some more exciting experiments this year. Designed especially for kids, these practical experiments will help your little ones discover a love for investigating and trying new things.

And with a bit of luck, these budding scientists could win an amazing prize – enter Topsy’s experiments contest by 30 June 2021 for a chance to win one of four Galaxus vouchers worth CHF 500 each. Our online store has everything your little ones need for tinkering and experimenting!

Topsy wishes you the best of luck for the contest!

Fill out the form to take part in the contest


The contest closes at midnight (CET) on 30 June 2021. Anyone resident in Switzerland can take part. There are four vouchers each worth CHF 500 to be won. The winners will be notified directly. Prizes are non-transferable and cannot be paid out in cash. There will be no correspondence regarding the contest. Legal recourse is excluded. By participating in the contest, you – as the legal representative in the case of minors – accept the conditions of participation and agree that the above-mentioned personal data can be used for UBS marketing purposes. The Privacy Policy and Terms of Use also apply.